Cybersecurity Solutions
Comprehensive cyber security and threat protection
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Cyber Sight
CyberSight is a Guildford-based IT security company helping organisations build and sustain a strong security posture. It assesses each business's individual risks, covering phishing susceptibility, sensitive data location, network weak points and access control, then provides tailored solutions through partnerships with market-leading and emerging security vendors. Its focus spans visibility, user protection and data protection, with CyberSure among its offerings.
Cyber1st
Cyber1st provides encryption products for SECRET and TOP SECRET information exchange. Its technology is trusted by users to protect their most sensitive data without compromise on premise, on the move and at the edge. Products address the requirements of public sector, financial services and professional services organisations that handle classified and highly sensitive information across varied operational environments, including fixed, mobile and edge deployments.
CyberAdvisor
CyberAdvisor helps small and medium-sized businesses across London and the UK achieve and maintain the government-backed Cyber Essentials certification. The company manages certification applications, carries out penetration testing and vulnerability assessments, deploys tailored cybersecurity technologies, and delivers staff training and simulations. Ongoing monthly assistance and a free personalised cyber action plan are available, alongside online tools that identify existing security weaknesses.
CyberCX UK
CyberCX is a UK-based cyber security company that partners with enterprise and government organisations to defend against cyber threats and support digital transformation. It provides services including incident response, penetration testing, vulnerability assessments, managed security, cloud security, identity and access management, and cyber security training. The organisation helps clients manage risk, build resilience, and grow with confidence through expert guidance and scalable solutions.
CyberCrowd
CyberCrowd is a Newbury-based information and cyber security company providing penetration testing across web, mobile and AI applications, PCI DSS assessment, and certification readiness for Cyber Essentials, IASME, ISO27001, the DSP Toolkit and NHS DTAC. It offers data protection consultancy, virtual CISO and DPO services, incident response, managed SOC built on Microsoft Sentinel, security gap analysis, and staff training including phishing awareness and a cyber escape room.
CyberPrism
CyberPrism provides operational technology (OT) cyber security services to Critical National Infrastructure operators, working across defence, energy, manufacturing, maritime and utilities. Delivered as a managed service by senior industry and military personnel, its products cover governance, risk and compliance tracking (Assure), real-time GNSS spoofing and jamming detection (Canary), and protection of OT networks exposed through connected IT pathways (Guard). Based in Aberdeen.
CyberPro Solutions
CyberPro Solutions, a division of Comtech IT Services Limited based in Northampton, provides cyber security services to businesses of all sizes. Its services include cyber security consulting, Cyber Essentials certification support, network security, endpoint protection and backup solutions. The company helps organisations protect sensitive data from cyber threats and meet regulatory compliance requirements.
CyberSecure365 UK Ltd.
CyberSecure365 UK Ltd is a cybersecurity and compliance provider offering security awareness training, phishing simulations and governance, risk and compliance guidance. The company delivers Cyber Essentials, Cyber Essentials Plus, IASME Cyber Assurance, ISO27001 and PCI DSS certification services, alongside Microsoft Azure and M365 security, penetration testing and vulnerability scanning. Serving businesses of all sizes across the UK and Ireland, it helps organisations protect sensitive data and meet industry regulations.
CyberSiARA
CyberSiARA is a Guildford-based cybersecurity company offering SiARA Shield, a bot protection and CAPTCHA alternative for websites and mobile applications. The platform uses behavioural AI and its proprietary Trans-Saccadic Memory technology to distinguish genuine users from automated abuse without CAPTCHAs or cookies. It addresses threats including account takeover, fake accounts, spam, scraping and payment fraud, serving sectors such as finance, gaming, e-commerce, media streaming and marketplaces.
CyberSmart
Discover the power of CyberSmart: the leading cybersecurity platform for SMEs. Ensure continuous compliance and protect your business round-the-clock.
Cybercentry
Cybercentry provides information security, data protection and cyber security services to businesses, including Cyber Essentials, IASME Cyber Baseline and IASME Cyber Assurance certification support, vulnerability management, security testing and virtual CISO provision. Its marketplace organises services under three pillars - Compliance, Intelligence and Protection - offering audits, threat intelligence, risk assessments and security tools to help organisations meet regulatory requirements and defend against digital threats.
Cyberi
Cyberi is a Leamington Spa-based cyber security consultancy offering penetration testing, managed security services, SIEM monitoring, incident response and digital forensics. It provides IT security consultancy and audits, GDPR compliance support, network and endpoint security, cloud and Microsoft services, mobile security, data recovery and technical support. Cyber security training courses are available, plus security for high net individuals and Salesforce integrations.
Cyberix Solutions
Cyberix Solutions is a Birmingham-based cyber security company helping organisations protect data and meet compliance obligations. Services include website and Wi-Fi penetration testing, code review, risk assessment, PCI DSS and GDPR compliance support, Cyber Essentials and IASME Governance assessments, vulnerability management, incident response, secure web development, and staff cyber awareness training. It also offers security advisory work covering gap analysis, remedial guidance and project management.
Cybersec Consultancy Ltd.
Cybersec Consultancy is a Coventry-based cybersecurity consultancy that matches organisations with vetted cyber security suppliers and services. Drawing on two decades of supplier management experience, it sources solutions aligned to each client's requirements and negotiates terms on their behalf. Its services include outsourced Security Operations Centre functions, cyber security maturity assessments to identify areas of risk, human risk management and employee awareness programmes, and strategic supplier selection from an extensively vetted partner network.
Cybersecurity-NXXT
This organisation delivers technology and cybersecurity services, including continuous incident monitoring and response, strategic consulting, data security, cloud protection, and vulnerability assessments. It also provides governance, risk, and compliance solutions alongside tailored training courses. The entity serves large corporations and small businesses operating across the banking, financial services, insurance, telecommunications, hi-tech, oil, gas, automotive, and aviation sectors.
Cybertec Ltd
Cybertec Group is a Hereford-based cyber security firm helping corporate and UK Government clients achieve Cyber Essentials and Cyber Essentials Plus accreditation. Services include penetration testing, vulnerability assessments, SCADA security, information governance, UK GDPR compliance support, virtual CISO provision and cyber awareness training. The team draws on over 140 years of military experience and also delivers independent audits and reviews of information security systems.
Cybione Limited
Cybione Limited is a cyber security company based in Delph, Oldham, helping UK organisations achieve government-backed Cyber Essentials certification. It works with businesses, schools, care homes and charities, providing pre-audit assessment tools, GDPR compliance support, staff awareness training and ongoing monitoring. The company also assists with IASME certification preparation through its assessment resources.
Cyble
AI-native threat intelligence platform for dark web monitoring, attack surface management, and vulnerability tracking.
Cynamics
AI-powered network threat detection platform using traffic sampling to predict and block attacks.
Cynance Ltd.
Cynance Ltd is a cybersecurity and data protection consultancy based in Wembley, London. It provides application security testing, penetration testing, secure software development lifecycle support, infrastructure and cloud security, offensive security including ethical hacking and OSINT, plus cybersecurity risk management and GDPR compliance guidance. Services are tailored to online gaming and gambling firms, technology companies, fintech businesses and startups.
Cyra Security Ltd
Cyra Security Ltd helps SMEs without in-house IT or security teams understand and improve their cyber security. Based in Weston-super-Mare, the company offers a Cyber Health Check reviewing current posture, Cyber Essentials Readiness assessments identifying gaps and roadmaps, hands-on implementation support, and conducts Cyber Essentials certification assessments. Led by an Associate Cyber Security Professional and Cyber Essentials Assessor, Cyra provides practical, proportionate guidance for businesses working towards certification.
DATA LANGUAGE (UK)
Data Graphs provides a governed semantic foundation for enterprise AI through its Agentic AI Data Platform and high-performance graph database, enabling consistent, relationship-rich context for AI systems. It serves enterprises in sectors including AgriTech, Healthcare & Pharma, Manufacturing, Government & Public Sector, and others by offering solutions such as Digital Product Passports, Digital Labeling for AgriGuide, and Schema-driven hybrid RAG to support compliance, traceability, and AI-driven decision-making.
DOQEX Limited
DOQEX Limited, based in York, provides secure data exchange services including a secure email gateway, encrypted file sharing, project data rooms and data loss prevention. Its platform applies policy-based protection to emails, attachments and shared documents, and offers workflow automation with API integration connecting back office systems, web portals and forms. The company states its service is free from US technology and highlights ISO 27001.
DSI COMPLIANCE
DS-Compliance provides professional consultancy services in cyber security, compliance and investigative purposes for large and medium-sized enterprises. It offers the DS-Keywords platform for AI-based audio, voice, video analysis and compliance vetting, and supports organisations with GDPR, ISO 27001, Cyber Essentials, SOC 2 and NIST requirements through policies, processes, training and audits.
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